Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402407 | Sterilization chest | — | 1983-09-06 |
| 4349050 | Blast joint for subterranean wells | Arthur E. Bergstrom, Richard Nelson | 1982-09-14 |
| 4194566 | Method of increasing the permeability of subterranean reservoirs | — | 1980-03-25 |
| 4192375 | Gravel-packing tool assembly | Archibald M. Laurie | 1980-03-11 |